E Estrend Junior member Messages 26 Likes 0 Jun 9, 2009 #1 Different data provide seems to have slight differences in their values OHLC. Like the S&P500, the msn and yahoo data S&P500 have differences. Should they be used or analyze S&P500 options?
Different data provide seems to have slight differences in their values OHLC. Like the S&P500, the msn and yahoo data S&P500 have differences. Should they be used or analyze S&P500 options?
